Toyota RAV4 Service Manual: Pig power supply voltage malfunction
Description
When a problem occurs in the system, the power source relay circuit is shut
off to stop the power assist.
Wiring diagram
Inspection procedure
- Read value of intelligent tester (pig power supply)
- Connect the intelligent tester (with can vim) to the dlc3.
- Turn the ignition switch on.
- Select the item "pig supply" in the data list and read the value displayed on the intelligent tester.
Power steering ecu
- Check wire harness (battery - power steering ecu)
- Disconnect the a1 power steering ecu connector.
- Measure the voltage of the wire harness side connector.
Standard voltage
Replace power steering ecu
Ig power supply voltage malfunction
Description
The power steering ecu distinguishes the ignition switch status as on or off
through the ig power
source circuit.
Wiring diagram
Inspection procedure
Read value of inte ...
Power supply relay failure
Description
If the power steering ecu detects these dtcs, it shuts off the motor relay
circuit (built into the power
steering ecu) and stops power assist.
Inspection procedure
Reconfirm ...
Other materials:
When closing the back door
Lower the back door using the
back door handle.
Vehicles without a power back
door
Make sure to push the back door
down from the outside to close it.
Vehicles with a power back
door
The back door closing assist will
activate, and the back door will
fully close automatically.
...
Ig1 relay
On-vehicle inspection
Disconnect cable from negative battery
terminal
Caution:
Wait at least 90 seconds after disconnecting the
cable from the negative (-) battery terminal to
prevent airbag and seat belt pretensioner activation.
Remove ig1 relay
Remove the ig1 relay from the i ...
System description
General
The air conditioning system has the following
features:
The air conditioning amplifier controls the
operation of parts, such as the a/c compressor,
automatically in accordance with the operating
conditions of the air conditioning system.
Mode position and damper ...